一只手在其不足指甲大小的手掌皮肤上聚集有3500个细菌,每个指甲缝内有痢疾杆菌、伤寒杆菌和肝炎、沙眼病毒等30多种。手上的细菌用清水冲洗可减少80%以上,用肥皂洗冲可减少90%以上。所以提倡餐前便后洗手以及指甲勤修剪。一只碗筷据检测,饮食摊店未煮沸消毒的碗筷上都染有细菌。每只碗和每只筷子上约有细菌1600～3100 One hand gathered 3,500 bacteria on the palm of the hand with the size of its under-nails, and there were more than 30 kinds of nosocomial bacteria such as dysentery bacillus, typhoid bacillus and hepatitis, trachoma virus in each nail seam. Bacteria in your hands can be washed with water to reduce the 80% or more, washed with soap can be reduced by more than 90%. Therefore, it is recommended to wash hands and nail clippers after meals. According to the detection of a bowl of chopsticks, food stalls are not boiling the tableware disinfectants are stained with bacteria. Each bowl and each chopsticks about 1600 ~ 3100 bacteria